CN220125847U

CN220125847U - VOCs adsorption equipment

Info

Publication number: CN220125847U
Application number: CN202321571625.4U
Authority: CN
Inventors: 肖市明; 郭海峰; 罗贤礼; 刘昀萱; 刘敏; 曾玉云; 钟小莉; 王大维; 王宗丽; 郑虹; 曾招余波; 杨波
Original assignee: Pingxiang University
Current assignee: Pingxiang University
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-05
Anticipated expiration: 2033-06-20

Abstract

Embodiments of the present disclosure provide a VOCs adsorption apparatus comprising a processing box, a gas delivery assembly, and a plurality of adsorption plates; the processing box is provided with an air inlet, an air outlet and a plurality of slots positioned between the air inlet and the air outlet; each adsorption plate is inserted into the corresponding slot, and each adsorption plate is provided with a containing cavity for containing the adsorbent; the gas conveying components are fixedly arranged in the treatment box and located between the gas inlets and the adsorption plates, and the gas conveying components are used for enabling waste gas to flow through the adsorption plates and then be discharged from the gas outlets of the treatment box. Through the processing box, the gas conveying component and the plurality of adsorption plates with the adsorbents, the volatile organic compounds can be more effectively adsorbed, the waste gas processing process is simple, and the waste gas after adsorption can be recovered.

Description

VOCs adsorption equipment

Technical Field

The embodiment of the disclosure belongs to the technical field of waste gas treatment, and particularly relates to a VOCs adsorption device.

Background

Volatile organic compounds (Volatile Organic Compounds, VOCs) are generally classified into non-methane hydrocarbons, oxygenated organic compounds, halogenated hydrocarbons, nitrogen-containing organic compounds, sulfur-containing organic compounds, and the like. Volatile organic compounds are harmful contaminants in both air and water, and even at very low concentrations, prolonged exposure can lead to serious health problems such as cancer, liver and kidney failure and respiratory tract diseases. In the industrial production process, the generation of VOCs is unavoidable, so how to recycle VOCs is always the key point to be overcome; the VOCs in the industrial waste gas treated at the present stage are mostly adsorbed by adopting an adsorption treatment method, but the adsorption treatment method at the present stage mostly adopts the porous material of the activated carbon for adsorption, and the activated carbon is difficult to treat after adsorption saturation in the adsorption process, so that the problems of low selectivity to adsorbable organic species, easy failure of water absorption and the like exist. In order to solve the problems, the inventor designs a VOCs adsorption device.

Disclosure of Invention

Embodiments of the present disclosure aim to solve at least one of the technical problems existing in the prior art, and provide a VOCs adsorption apparatus.

Embodiments of the present disclosure provide a VOCs adsorption apparatus comprising a processing box, a gas delivery assembly, and a plurality of adsorption plates;

the processing box is provided with an air inlet, an air outlet and a plurality of slots positioned between the air inlet and the air outlet;

each adsorption plate is inserted into the corresponding slot, and each adsorption plate is provided with a containing cavity for containing the adsorbent;

the gas conveying components are fixedly arranged in the treatment box and located between the gas inlets and the adsorption plates, and the gas conveying components are used for enabling waste gas to flow through the adsorption plates and then be discharged from the gas outlets of the treatment box.

Optionally, the gas delivery assembly includes a motor, a shaft, and a plurality of blades;

the motor is fixed in the processing box, the pivot with the output shaft transmission of motor is connected, a plurality of blades set up in the pivot.

Optionally, the plurality of blades are divided into a plurality of groups, each group including a plurality of the blades; wherein,

the plurality of groups of blades are arranged at intervals along the axial direction of the rotating shaft, and each group of blades are arranged at intervals along the circumferential direction of the rotating shaft.

Optionally, the plurality of sets of blades decrease from the output axis to the direction dimension of the rotating shaft group by group.

Optionally, the adsorption device further comprises a controller;

the controller is fixedly arranged in the treatment box, the controller is electrically connected with the gas conveying assembly, and the waste gas can uniformly flow through the adsorption plates by controlling the gas conveying assembly.

Optionally, the adsorbent is configured as graphene.

Optionally, the accommodating cavity is provided with a discharge hole.

Optionally, the treatment box is further provided with a material taking opening, and the adsorption device further comprises a sealing door;

the sealing door is hinged to the material taking opening of the processing box.

Optionally, the adsorption device further comprises an air inlet pipe, a filter and a flow measuring piece;

the outlet end of the air inlet pipe is communicated with the air inlet of the treatment box, and the inlet end of the air inlet pipe is communicated with an air source to obtain the waste gas;

the flow measuring piece and the filter are sequentially arranged in series in the air inlet pipe along the inflow direction of the waste gas.

Optionally, the adsorption device further comprises a column supported by the treatment tank.

According to the VOCs adsorption device, volatile organic compounds can be more effectively adsorbed through the arranged treatment box, the gas conveying assembly and the plurality of adsorption plates, the waste gas treatment process is simple, and the adsorbed waste gas can be recovered; the adsorption plate can be effectively fixed and integrally disassembled, so that the adsorption plate is convenient to mount and dismount in the using process, the replacement period is effectively prolonged, the overall working efficiency of the equipment is improved, and the purchase cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a VOCs adsorbing device according to an embodiment of the present disclosure.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present disclosure, the present disclosure will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1, a VOCs adsorbing device 100, the VOCs adsorbing device 100 includes a processing box 110, a gas delivery assembly 120, and a plurality of adsorption plates 130. The treatment tank 110 is provided with an air inlet 111, an air outlet 112, and a plurality of slots 140 between the air inlet 111 and the air outlet 112. Each of the adsorption plates 130 is inserted into the corresponding slot 140, and each of the adsorption plates 130 is provided with a receiving cavity (not shown) for receiving an adsorbent. The gas delivery assembly 120 is fixedly disposed in the processing box 110 and between the gas inlet 111 and the adsorption plates 112, and the gas delivery assembly 120 is configured to enable the exhaust gas to flow through each of the adsorption plates 130 and then be discharged from the gas outlet 112 of the processing box 110.

Specifically, as shown in fig. 1, each adsorption plate 130 is correspondingly inserted into each slot 140, and then an adsorbent is placed in the accommodating cavity of the adsorption plate 130. When the VOCs adsorption apparatus 100 is in operation, exhaust gas enters from the gas inlet 111 of the treatment tank 110, and the gas delivery assembly 120 delivers the gas entering the treatment tank 110, so that the exhaust gas sequentially flows through the adsorption plates 130 and then is discharged from the gas outlet 112 of the treatment tank 110. In the process of flowing through each adsorption plate 130, the adsorbent in the accommodating cavity of the adsorption plate 130 can effectively adsorb VOCs in the exhaust gas, and the adsorbed exhaust gas is discharged from the air outlet 112 for recovery. It will be appreciated that the accommodating cavity is provided with the discharge opening 131, and after the adsorbent is adsorbed and saturated, the adsorbent can be taken out of the accommodating cavity through the discharge opening 131 for recycling, and the adsorbent in the accommodating cavity is taken out and placed through the discharge opening 131. The structure of the plurality of slots 140 can effectively fix the multi-layered adsorption plate 130 and perform integrated disassembly and assembly.

The adsorbent is graphene, the adsorption capacity of the graphene is twenty times that of a conventional carbon material, and the adsorbent has extremely strong adsorption and desorption capacity, high mechanical strength, good hydrophobicity and strong compressibility. Of course, the remaining materials may be selected as needed for the adsorbent, which is not particularly limited in this embodiment. Graphene is described herein as an adsorbent.

The VOCs adsorption device of the embodiment of the disclosure can more effectively adsorb volatile organic compounds through the arranged treatment box, the gas conveying component and the plurality of adsorption plates with the graphene, and the waste gas after the waste gas treatment process is simple and the waste gas after the adsorption can be recovered. The adsorption plate can be effectively fixed and integrally disassembled, so that the adsorption plate is convenient to mount and dismount in the using process, the replacement period is effectively prolonged, the overall working efficiency of the equipment is improved, and the purchase cost is reduced.

Illustratively, as shown in FIG. 1, the gas delivery assembly 120 includes a motor 121, a shaft 122, and a plurality of blades 123. The motor 121 is fixed on the processing box 110, the rotating shaft 122 is in transmission connection with an output shaft of the motor 121, and the plurality of blades 123 are arranged on the rotating shaft 122.

Specifically, a fixing member may be provided in the process tank 110 to fix the motor 121. As a specific example, as shown in fig. 1, a fixed beam may be disposed below the adsorption plate 130, and the fixed beam is located between the adsorption plate 130 and the air outlet 111, and two ends of the fixed beam are respectively fixedly connected to two opposite inner sidewalls of the processing box 110. The motor 121 is fixed on the fixed cross beam, the output shaft of the motor 121 is vertically downward, and the rotating shaft 122 is in transmission connection with the output shaft. When the adsorption device 100 works, waste gas enters from the air inlet 111, the output shaft of the motor 121 drives the rotating shaft 122 to rotate, so that the blades 123 arranged on the rotating shaft 122 rotate together, and under the rotating action of the blades 123, the waste gas moves upwards to sequentially flow through the adsorption plates 130 arranged in parallel, and finally is discharged from the air outlet 112.

Further, the plurality of blades 123 are divided into a plurality of groups, each group including a plurality of the blades 123. Wherein, the plurality of groups of blades 123 are arranged at intervals along the axial direction of the rotating shaft 122, and each group of blades 123 is arranged at intervals along the circumferential direction of the rotating shaft 122. As shown in fig. 1, each set of blades 123 is disposed at intervals along the axial direction of the rotation shaft 122, and each set of blades 123 includes two blades having the same shape, size, and structure.

Further, the plurality of sets of blades 123 decrease from the output axis to the direction of the rotation axis 122.

The VOCs adsorption equipment of the embodiment of the disclosure, through motor, pivot and a plurality of blade that set up, can be after waste gas gets into the processing case, make waste gas flow through each adsorption plate back from the gas outlet of processing case in proper order through the rotatory effect of blade and discharge.

Illustratively, the adsorption apparatus 100 further includes a controller 150. The controller 150 is fixedly disposed in the treatment tank 110, the controller 150 is electrically connected to the gas delivery assembly 120, and the exhaust gas can uniformly flow through each adsorption plate 130 by controlling the gas delivery assembly 120.

Specifically, as shown in fig. 1, a controller 150 may be fixedly disposed on an outer surface of the processing box 110, the controller 150 is electrically connected with the motor 121, and the rotation speed of the output shaft of the motor 121 may be controlled by the controller 150, so as to control the rotation speed of the rotating shaft 122, and thus, the rotation speed of the blade 123. Through the rotational speed of control blade 123, can make waste gas evenly distributed flow through each adsorption plate, effectively improve the utilization ratio of graphite alkene, improved adsorption efficiency, can reduce the energy consumption increase of service life.

Illustratively, as shown in fig. 1, the treatment tank 110 is further provided with a material taking port (not shown), and the adsorption device 100 further includes a sealing door (not shown). The sealing door is hinged to the material taking opening of the processing box 110.

Specifically, as shown in fig. 1, when the adsorption plate 130 needs to be disassembled and assembled and the adsorbent needs to be taken and placed into the accommodating cavity, the sealing door can be opened to perform the above operation through the material taking opening, and the sealing door is closed to seal and close the material taking opening after the operation is completed.

The VOCs adsorption equipment of the embodiment of the disclosure, through the material taking opening and the sealing door, the operation process of disassembling and assembling the adsorption plate and taking and placing the adsorbent is simpler and more convenient.

Illustratively, as shown in FIG. 1, the adsorption apparatus 100 further includes an intake pipe 160, a filter 170, and a flow measurement member 180. The outlet end of the air inlet pipe 160 is communicated with the air inlet 111 of the treatment box 110, and the inlet end of the air inlet pipe 160 is used for being communicated with an air source to obtain the waste gas. The flow rate measuring member 180 and the filter 170 are sequentially connected to the intake pipe 160 in series in the inflow direction of the exhaust gas.

Specifically, as shown in fig. 1, an air inlet 111 is provided at the lower left side of the processing tank 110, and an air outlet 112 is provided at the top of the processing tank 110. The exhaust gas enters from the inlet end of the air inlet pipe 160, flows through the flow measuring member 180 and the filter 170 in sequence, reaches the air inlet 111 of the treatment tank 110 from the outlet end of the air inlet pipe 160, enters the treatment tank 110, flows through the adsorption plates 130, and is discharged from the air outlet of the treatment tank 110. Wherein the flow measuring member 180 is for measuring the amount of intake of exhaust gas entering from the inlet end of the intake pipe 160, the flow measuring member may be provided as a flow meter. The filter 170 may perform preliminary filtration on the exhaust gas, and then the graphene in the adsorption plate 130 is used for filtering, so that the adsorption efficiency is effectively improved, the filtration adsorption effect of the exhaust gas is better, and the filter may be a dry filter.

Illustratively, as shown in FIG. 1, the adsorption apparatus 100 further includes a column 190 supported by the processing tank.

Specifically, as shown in fig. 1, the columns 190 may be provided in four, and four columns 190 are provided at four corners of the bottom of the process tank 110, respectively, to support the process tank 110. Through the stand that sets up, can reduce the consumptive material and the volume of handling the case, reduce cost also can avoid handling the bottom surface of case and be infected with corrosive substance and cause the damage.

It is to be understood that the above embodiments are merely exemplary embodiments employed to illustrate the principles of the present disclosure, however, the present disclosure is not limited thereto. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the disclosure, and are also considered to be within the scope of the disclosure.

Claims

1. The VOCs adsorption device is characterized by comprising a processing box, a gas conveying assembly and a plurality of adsorption plates;

2. The adsorption apparatus of claim 1 wherein the gas delivery assembly comprises a motor, a shaft, and a plurality of blades;

3. The adsorption apparatus of claim 2 wherein said plurality of vanes are divided into a plurality of groups, each group comprising a plurality of said vanes; wherein,

4. The adsorption apparatus of claim 3 wherein said plurality of sets of blades decrease in size from said output axis to said axis of rotation on a group-by-group basis.

5. The adsorption device of any one of claims 1 to 4, further comprising a controller;

6. The adsorption device of any one of claims 1 to 4, wherein the adsorbent is provided as graphene.

7. The adsorption device of any one of claims 1 to 4, wherein the receiving chamber is provided with a discharge port.

8. The adsorption apparatus of any one of claims 1 to 4 wherein the treatment tank is further provided with a take-out port, the adsorption apparatus further comprising a sealing door;

9. The adsorption apparatus of any one of claims 1 to 4, further comprising an air inlet tube, a filter, and a flow measurement;

10. The adsorption apparatus of any one of claims 1 to 4, further comprising a column supported to the treatment tank.